/*
 * Copyright 2008 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.db4o.groovy;

import com.db4o.ObjectContainer;
import com.db4o.ObjectSet;
import groovy.lang.Script;

/**
 *
 * @author klevgert
 */
public class Db4oGroovy {

  public static Object evaluate(ObjectContainer objectContainer, String script) {
    Db4oGroovyShell shell = new Db4oGroovyShell(objectContainer);
    Script scriptObject = shell.parse(script);
    return scriptObject.run();
  }

  public static ObjectSet evaluateQuery(
          ObjectContainer objectContainer,
          String targetClassName,
          String constraint
          ) {
    Db4oGroovyQueryShell shell =
            new Db4oGroovyQueryShell(objectContainer, targetClassName, constraint);
    ObjectSet objectSet = (ObjectSet) shell.run();
    return objectSet;
  }

  public static ObjectSet evaluateQuery(
          ObjectContainer objectContainer,
          Class targetClass,
          String constraint
          ) {
    Db4oGroovyQueryShell shell =
            new Db4oGroovyQueryShell(objectContainer, targetClass, constraint);
    ObjectSet objectSet = (ObjectSet) shell.run();
    return objectSet;
  }

  public static ObjectSet evaluateQuery(
          ObjectContainer objectContainer,
          Class targetClass,
          String constraint,
          String qualifier,
          String[] classpath
          ) {
    Db4oGroovyQueryShell shell =
            new Db4oGroovyQueryShell(objectContainer, targetClass, constraint);
    if( qualifier != null ) {
      shell.setQualifier(qualifier);
    }
    if( classpath != null ) {
      for (String classpathEntry : classpath) {
         shell.getClassLoader().addClasspath(classpathEntry);
      }
    }
    ObjectSet objectSet = (ObjectSet) shell.run();
    return objectSet;
  }

  public static ObjectSet evaluateQuery(
          ObjectContainer objectContainer,
          String targetClassName,
          String constraint,
          String qualifier,
          String[] classpath
          ) {
    Db4oGroovyQueryShell shell =
            new Db4oGroovyQueryShell(objectContainer, targetClassName, constraint);
    if( qualifier != null ) {
      shell.setQualifier(qualifier);
    }
    if( classpath != null ) {
      for (String classpathEntry : classpath) {
         shell.getClassLoader().addClasspath(classpathEntry);
      }
    }
    ObjectSet objectSet = (ObjectSet) shell.run();
    return objectSet;
  }

}
